US Bridges

Pr 787 over Bayamon River

FairPosted for load

Cidra Municipio, Puerto Rico · 4 KM East of Cidra · Structure no. 003871

Built
1918
107 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
124 ft
3 main spans
Daily traffic
4,500
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 787 over Bayamon River is a concrete tee beam carrying Pr 787 over Bayamon River in Cidra Municipio, Puerto Rico. It was built in 1918, so it is 107 years old, older than the Puerto Rico average of 51.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 4,500 vehicles a day, roughly 5% of them trucks, projected to reach 6,500 by 2025. The structure is 124 ft (37.8 m) long and 23 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesPr 787
CrossesBayamon River
Location4 KM East of Cidra
RouteState Highway 787
CountyCidra Municipio
StatePuerto Rico
Coordinates18.17615, -66.12888
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16 US tons
Inventory rating10.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length124 ft (37.8 m)
Longest span39 ft (12 m)
Deck width23 ft (7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2017)
Projected traffic6,500 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$869,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 787 over Bayamon River built?

It was built in 1918, making it 107 years old in 2025.

What condition is Pr 787 over Bayamon River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Pr 787 over Bayamon River carry?

About 4,500 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 787 over Bayamon River?

The structure is 124 ft (37.8 m) long with a longest span of 39 ft (12 m) and a deck 23 ft wide.

Who owns Pr 787 over Bayamon River?

It is owned by the State Highway Agency.